Vanguard has a new research paper on [pdf], found via by Michael Batnick. Inside, there is a chart that sorts the individual returns of the US stock market (Rusell 3000) over the last 30 years (1987-2017) into total performance buckets. What happens to the stock prices of individual companies over 30 years? Lots of big losers. A few huge winners.
The whitepaper has a lot of math and investment jargon that you can read for yourself. Let’s skip to the conclusion here:
Historical cumulative returns of individual stocks are skewed whereby overall market returns are determined by a small minority of stocks. Therefore, all else being equal, a more diversified portfolio is more likely to hold these outperforming stocks while displaying a lower dispersion of portfolio returns. We conducted simulations of various portfolio sizes and showed that those portfolios with fewer holdings underperformed those with more holdings, leading to a higher return hurdle to overcome.
As the late Jack Bogle told us: “Don’t look for the needle in the haystack. Just buy the haystack.”
I don’t know which will be the most successful US companies in the future, but I know that I will own them via the . I will own the next Amazon, Google, Facebook, Apple, or Visa. I’ll also own whoever disrupts them after that. Since I inside the Vanguard Total International Stock Index fund, I’ll be covered if they come from the other side of the world.
Now, when you own the entire haystack, you will get the losers as well as the winners. Also, I won’t be as rich as if I invested in them when operated out of a dorm room. It just turns out that in this capitalist structure, owning them all still works out pretty darn well. I will own shares of all these businesses in proportion to their market value, and by extension a share of their profits. Some of those profits will be reinvested for future growth, and some will be sent to me as cash dividends every three months. I’ll happily , and the let rest grow into more dividends in the future.
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